Patents for inventions; abridgments intended to serve as guides to specifications.
Wood, Working (including sawing), Abridgments of Specifications, class 145 (ii), period 1921-25
Abridgments Specifications
1930
68 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Wood, cutting (other than sawing), abridgments of specifications, class 145 (i), period 1921-25
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