GB1431402A
(en )
1976-04-07
Amphibious marsh craft
CN108408553B
(zh )
2024-03-15
一种链式连续送绳夹持机构
GB157497A
(ja )
GB1169262A
(en )
1969-11-05
Improved floatable vessel
Barber
2022
The Engineer's Sketch-Book
GB1288663A
(ja )
1972-09-13
CN209398660U
(zh )
2019-09-17
一种双级伸缩支腿
CN106988518A
(zh )
2017-07-28
一种建筑用施工操作平台
US371446A
(en )
1887-10-11
Apparatus
US2023538A
(en )
1935-12-10
Railway crossing barrier
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
US1673243A
(en )
1928-06-12
Baling press
GB1353110A
(en )
1974-05-15
Gallows for ship-mounted lifting apparatus
US53178A
(en )
1866-03-13
Improved vertical windlass
GB258640A
(en )
1926-09-20
Improvements in or relating to apparatus for launching aeroplanes
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
AT77670B
(de )
1919-08-11
Treibriemen.
US1072845A
(en )
1913-09-09
Spar-cap.
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