GB1431402A
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1976-04-07
Amphibious marsh craft
US4576517A
(en )
1986-03-18
Marine heave compensating device
CN108408553B
(zh )
2024-03-15
一种链式连续送绳夹持机构
GB157497A
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Barber
2022
The Engineer's Sketch-Book
GB1288663A
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1972-09-13
CN209398660U
(zh )
2019-09-17
一种双级伸缩支腿
US371446A
(en )
1887-10-11
Apparatus
GB191411033A
(en )
1915-02-18
A Safety Apparatus for Pit Cages, and the like.
GB322861A
(en )
1929-12-19
Improvements in or relating to apparatus for launching aircraft
US1553882A
(en )
1925-09-15
Car dumper
DD244478A3
(de )
1987-04-08
Hydraulische winde zum vorruecken von vortriebsschildern
SU990567A1
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1983-01-23
Канатна дорога
US1673243A
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1928-06-12
Baling press
AT152426B
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1938-02-10
Seilscheibe, insbesondere zum Antrieb von Drahtseilen.
US53178A
(en )
1866-03-13
Improved vertical windlass
GB897565A
(en )
1962-05-30
Improvements in or relating to devices for pushing mine cars upwardly on an upwardlyinclined track section
Barber
2013
A victorian handbook of mechanical movements
GB190602163A
(en )
1906-12-31
Improvements in or relating to Hydraulic or other Rams fitted with Sheaves for Lifting and like purposes
GB184886A
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1922-08-23
Safety catch gear for mine cages
AT77670B
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1919-08-11
Treibriemen.
GB1353110A
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1974-05-15
Gallows for ship-mounted lifting apparatus
GB190022227A
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1901-01-26
Improvements in or relating to Sinking or Boring Mechanism.
GB189827285A
(en )
1899-12-02
Improvements in and connected with Mast-head Sheaves and Frames.
DE2257059A1
(de )
1974-05-30
Vortriebsmaschine fuer den streckenvortrieb in festen gesteinen