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经营范围
发明名称
Portable overhead jack
摘要
申请公布号
US2370842(A)
申请公布日期
1945.03.06
申请号
US19430503374
申请日期
1943.09.22
申请人
WHITING CORPORATION
发明人
CHRISTIE HUGH K.
分类号
B66C19/00
主分类号
B66C19/00
代理机构
代理人
主权项
地址
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