发明名称 HOISTING EQUIPMENT AND METHOD OF USE
摘要 The present invention relates to hoisting equipment, and more specifically to a method of mounting a long-size heavy object into vertical or close to vertical, position by turning this object about a fixed axle, and to a device for realizing this method.
申请公布号 US3638375(A) 申请公布日期 1972.02.01
申请号 USD3638375 申请日期 1970.08.04
申请人 MIKHAIL IVANOVICH VASILIEV;EVGRAF VLADIMIROVICH GRUZINOV 发明人 MIKHAIL IVANOVICH VASILIEV;EVGRAF VLADIMIROVICH GRUZINOV
分类号 E04H12/34;(IPC1-7):B66F11/02 主分类号 E04H12/34
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