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经营范围
发明名称
PIPE THREADING CHIP ELIMINATION
摘要
申请公布号
JPH02152720(A)
申请公布日期
1990.06.12
申请号
JP19880308422
申请日期
1988.12.06
申请人
SUMITOMO METAL IND LTD
发明人
OTA TAKASHI
分类号
B23G1/44
主分类号
B23G1/44
代理机构
代理人
主权项
地址
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