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Hand lifters
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Ngày phát hành: 1982-08-01
Experimental field and road surface conditions for hand trucks
Ngày phát hành: 1982-09-28
Visual inspection method for hand trucks
Inspection method for hand truck assembling accuracy
Testing method for starting of hand trucks
Testing method for preventing hand trucks from bolling
Testing method for strength of hand truck suction box
Testing method for operating performance of hand trucks
Testing method for load carrying capacity of hand trucks
Physical test method for wheel rubber of hand trucks
