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经营范围
发明名称
METHOD OF BIASING PIPE INSULATION DURING INSTALLATION
摘要
申请公布号
US3453718(A)
申请公布日期
1969.07.08
申请号
USD3453718
申请日期
1967.12.11
申请人
WESTHEM CORP. LTD.
发明人
DAVID P. BATES
分类号
F16L59/02;(IPC1-7):B23P11/00;F16L9/14
主分类号
F16L59/02
代理机构
代理人
主权项
地址
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