Patents for inventions; abridgments intended to serve as guides to specifications; this heading is not exhaustive of all details applicable to vehicles, but limited to details indicated by terms of subheadings.
Rail and road vehicles, details applicable generally to abridgments of specifications, class 103 (ii), period 1921-1925
Rail Road Vehicles, Details Applicable Generally. Abridgments Specifications, class 103 (ii), period 1921-25
1929
175 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Rail and road vehicles, details applicable generally to
Engineering Index Backfile | 1929
Engineering Index Backfile | 1928
Wood, Working (including sawing), Abridgments of Specifications, class 145 (ii), period 1921-25
Engineering Index Backfile | 1930
Wood, cutting (other than sawing), abridgments of specifications, class 145 (i), period 1921-25
Engineering Index Backfile | 1930
Toys. abridgments of specifications, class 132 (iii)
Engineering Index Backfile | 1929