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Patents, a manual relating to United States and foreign patents for inventors and patentees

Historical Society of Pennsylvania - Closed Stacks Tq.71
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Format:
Contributor:
Language:
English
Subjects (All):
Physical Description:
p. ; cm.
Edition:
3rd ed.
Place of Publication:
Philadelphia, PA : Published by Howson and Howson, 1896.
Notes:
Includes index.

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