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发明名称
PIPE HANDLING APPARATUS
摘要
申请公布号
US3537684(A)
申请公布日期
1970.11.03
申请号
USD3537684
申请日期
1968.05.23
申请人
JOE STINE INC.
发明人
JOE C. STINE;ARTHUR L. SELJOS
分类号
E21B7/20;(IPC1-7):B66F1/00
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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