GB1431402A
(en )
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
(cs )
Barber
2022
The Engineer's Sketch-Book
GB1288663A
(cs )
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.
US1252583A
(en )
1918-01-08
Log-dog.
CN213326490U
(zh )
2021-06-01
一种牵引滑车
GB322861A
(en )
1929-12-19
Improvements in or relating to apparatus for launching aircraft
US1553882A
(en )
1925-09-15
Car dumper
US1673243A
(en )
1928-06-12
Baling press
GB1353110A
(en )
1974-05-15
Gallows for ship-mounted lifting apparatus
AT152426B
(de )
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
AT77670B
(de )
1919-08-11
Treibriemen.
US1072845A
(en )
1913-09-09
Spar-cap.
US1203753A
(en )
1916-11-07
Splitting-machine.
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