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发明名称
JIB CRANE
摘要
This invention relates to a jib crane characterized by the fact that the top of the jib is pivoted to the main post, which travels on a single rail and the wheels at the bottom of the jib travel on an annular flange fitted around the main post.
申请公布号
US3651951(A)
申请公布日期
1972.03.28
申请号
USD3651951
申请日期
1970.04.13
申请人
SAKAE MURAKAMI
发明人
SAKAE MURAKAMI
分类号
B66C7/00;B66C23/24;(IPC1-7):B66C23/04
主分类号
B66C7/00
代理机构
代理人
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