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经营范围
发明名称
MANUFACTURE OF TUBE FOR HEAT EXCHANGER
摘要
申请公布号
JPH05169245(A)
申请公布日期
1993.07.09
申请号
JP19910334744
申请日期
1991.12.18
申请人
SHOWA ALUM CORP
发明人
YAMAMOTO YUJI
分类号
B23K1/00;B23K1/19;B23K1/20;B23K3/00;F28F1/02
主分类号
B23K1/00
代理机构
代理人
主权项
地址
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