Post driver

申请公布号：US2067890(A)

申请号：US19360068440

申请日期：1936.03.12

申请公布日期：1937.01.19

申请人：

COLLORD GEORGE L

发明人：COLLORD GEORGE L.

分类号：E04H17/26

主分类号：E04H17/26

VIBRATION DETECTOR

HEAT SOURCE UNIT OF AIR CONDITIONER

HEAT EXCHANGER

HEAT EXCHANGER

REFRIGERATOR

LIQUID COOLING DEVICE AND LIQUID EXTRACTING MECHANISM

STEAM GENERATING AMOUNT MEASURING DEVICE

REFRIGERATOR

DRY COOLING DEVICE AND DRY COOLING EQUIPMENT

VARIABLE LIFT ELECTROMECHANICAL VALVE ACTUATOR

CAM FOLLOWER

FRAME STRUCTURE FOR REFRIGERATOR

HOT-WATER HEATING SYSTEM

SHELL ROLLER BEARING

PIPING JOINT CONSTRUCTION

VALVE OPERATING DEVICE FOR EMBEDDED PIPE

PIPE CONNECTION DEVICE

BALL SCREW

ROLLING SCREW DEVICE

FLUORINE-CONTAINING CALIXARENE COMPOUND AND APPLICATION THEREOF