Pierre Langlois (1909–1990) was a French philatelist who joined the Roll of Distinguished Philatelists in 1967.
Langlois was a chemist by profession.
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Pierre Langlois (1909–1990) was a French philatelist who joined the Roll of Distinguished Philatelists in 1967.
Pierre Langlois (1909–1990) was a French philatelist who joined the Roll of Distinguished Philatelists in 1967.
Langlois was a chemist by profession.