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products media center our transformation our science our initiatives smoke-free life sustainability careers our business our markets back our business who we are corporate governance our views and standards investor relations smoke-free products media center this website is not optimised for your browser...
products media center our transformation our science our initiatives smoke-free life sustainability careers our business our markets back our business who we are corporate governance our views and standards investor relations smoke-free products media center this website is not optimised for your browser...
transformation our science our initiatives smoke-free life sustainability careers our business our markets back our business who we are corporate governance our views and standards investor relations smoke-free products media center this website is not optimised for your browser, please upgrade your...
products media center our transformation our science our initiatives smoke-free life sustainability careers our business our markets back our business who we are corporate governance our views and standards investor relations smoke-free products media center this website is not optimised for your browser...
transformation our science our initiatives smoke-free life sustainability careers our business our markets back our business who we are corporate governance our views and standards investor relations smoke-free products media center this website is not optimised for your browser, please upgrade your...
was similar to a contemporary telephone, except that it used modulated light as a means of wireless transmission while the telephone relied on modulated electricity carried over a conductive wire circuit . bell's own description of the light modulator: [ ] we have found that the simplest form of apparatus...