GB891502A
(en )
1962-03-14
Pneumatic nailing device
US2313095A
(en )
1943-03-09
Door control mechanism
GB450743A
(enrdf_load_stackoverflow )
1900-01-01
GB1378345A
(en )
1974-12-27
Drive control system for a hydraulic elevator
US3027875A
(en )
1962-04-03
Valve
US3225544A
(en )
1965-12-28
Fail-safe gate-operating apparatus
AU578646B2
(en )
1988-11-03
Pneumatic valve
GB731941A
(en )
1955-06-15
Improvements in or relating to guided load hoisting or lowering skips of the load-discharging bottom door type
US1200826A
(en )
1916-10-10
Door-operating apparatus.
US2872787A
(en )
1959-02-10
Fluid operated power lifting unit for dumping vehicles
CN108643750A
(zh )
2018-10-12
一种电控气动机车侧窗
GB840649A
(en )
1960-07-06
Load control valve for vehicle air springs
JPH0756320Y2
(ja )
1995-12-25
リフタの落下防止装置
GB387204A
(enrdf_load_stackoverflow )
GB468860A
(en )
1937-07-14
Improvements relating to the hoisting of coal by winding skips
US681259A
(en )
1901-08-27
Draft-regulating apparatus for furnaces of stationary boilers.
GB718411A
(en )
1954-11-17
Improved skip bucket
US1849995A
(en )
1932-03-15
Kdttard schiegries
US1030142A
(en )
1912-06-18
Smoke-consuming and fuel-economizing apparatus for furnaces and the like.
US1336054A
(en )
1920-04-06
Fire-door-operating device
US731972A
(en )
1903-06-23
Furnace-door opener.
US881146A
(en )
1908-03-10
Ore-car.
US687049A
(en )
1901-11-19
Elevator-door-locking mechanism.
GB927176A
(en )
1963-05-29
Improvements in or relating to hydraulic devices for effecting raising and lowering of equipment coupled to agricultural tractors
US1610066A
(en )
1926-12-07
Truck hoist mechanism