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(en )
1932-01-05
Hand punch
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(enrdf_load_stackoverflow )
GB2079942A
(en )
1982-01-27
Positioning photographic supports
US2398457A
(en )
1946-04-16
Typewriting machine
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(en )
1969-01-14
Selective document positioning means in bed and cylinder print machines
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(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
(enrdf_load_stackoverflow )
1969-05-05
CN201281591Y
(zh )
2009-07-29
空气阀球头间隙精密测量装置
US2059652A
(en )
1936-11-03
Key canceling arrangement for
US3502266A
(en )
1970-03-24
Locking device for a postage meter
US4263753A
(en )
1981-04-28
Interchangeable faceting apparatus with reversible dual indexing mechanism
US2214897A
(en )
1940-09-17
Calculating machine
US2734271A
(en )
1956-02-14
Arc pantograph
DE1098525B
(de )
1961-02-02
Tabuliereinrichtung an Schreibmaschinen
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(en )
1969-02-04
Typewriter for typing on stiff documents
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(en )
1973-09-04
Printing machine with a type wheel fixing device
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(en )
1934-12-11
Device for performing trigonometrical calculations
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(en )
1953-02-10
Decimal point marker
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(en )
1963-07-30
Ticket guide for printers
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(en )
1944-11-07
Typewriting machine
US3051374A
(en )
1962-08-28
Hand punches
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(en )
1969-05-20
Paper carriage mounting arrangement
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(en )
1951-10-02
Visible margin-stop setting mechanism for typewriters
US2623693A
(en )
1952-12-30
Sensing means for record controlled sorting machines
US2644636A
(en )
1953-07-07
Control mechanism for accounting