ORIGINAL PATENT APPLICATION NUMBER 23,991 FOR IMPROVEMENTS IN MAGNETIC SUSPENSIONS FOR THE MOVING PARTS OF MEASURING INSTRUMENTS. Buy on Amazon

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ORIGINAL PATENT APPLICATION NUMBER 23,991 FOR IMPROVEMENTS IN MAGNETIC SUSPENSIONS FOR THE MOVING PARTS OF MEASURING INSTRUMENTS.

Book Details

PublisherHMSO
ISBN / ASINB000HGIHR0
ISBN-13978B000HGIHR2
MarketplaceFrance  🇫🇷
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