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经营范围
发明名称
CONNECTING METHOD FOR STEEL PIPE
摘要
申请公布号
JPS53110944(A)
申请公布日期
1978.09.28
申请号
JP19770025915
申请日期
1977.03.11
申请人
MITSUBISHI HEAVY IND LTD
发明人
OKUDAIRA TATSUMI;FUKUMI NORIJI;TOMINAGA KICHIYO
分类号
B23K20/00
主分类号
B23K20/00
代理机构
代理人
主权项
地址
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