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(en )
2008-08-12
Tile angle measurement device
GB819609A
(enExample )
US3192801A
(en )
1965-07-06
Pivotable and indexable arm drill
US2649950A
(en )
1953-08-25
Appliance on typewriting, calculating, or bookkeeping machines for positioning and adjusting a top sheet in front of one or more basic sheets
NO116695B
(enExample )
1969-05-05
GB972893A
(en )
1964-10-21
Improvements relating to printing machines
CN201281591Y
(zh )
2009-07-29
空气阀球头间隙精密测量装置
US3502266A
(en )
1970-03-24
Locking device for a postage meter
US2214897A
(en )
1940-09-17
Calculating machine
US2734271A
(en )
1956-02-14
Arc pantograph
US3426356A
(en )
1969-02-04
Typewriter for typing on stiff documents
US3756148A
(en )
1973-09-04
Printing machine with a type wheel fixing device
US1983961A
(en )
1934-12-11
Device for performing trigonometrical calculations
US4415801A
(en )
1983-11-15
Printer countwheel mechanism
US2615632A
(en )
1952-10-28
machado
US3099214A
(en )
1963-07-30
Ticket guide for printers
US2362029A
(en )
1944-11-07
Typewriting machine
US3051374A
(en )
1962-08-28
Hand punches
US3444978A
(en )
1969-05-20
Paper carriage mounting arrangement
US2623693A
(en )
1952-12-30
Sensing means for record controlled sorting machines
US2644636A
(en )
1953-07-07
Control mechanism for accounting
US3017078A
(en )
1962-01-16
Selective drawer control mechanism for cash registers and accounting machines
US3346872A
(en )
1967-10-10
Paper supporting mechanism for data printer
US1212231A
(en )
1917-01-16
Calculating apparatus.
US2323783A
(en )
1943-07-06
Shuttle mechanism for paper carriages