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发明名称
CALKING METHOD
摘要
申请公布号
JPS5476477(A)
申请公布日期
1979.06.19
申请号
JP19770144411
申请日期
1977.11.30
申请人
MATSUSHITA ELECTRIC WORKS LTD;SHINWA IND
发明人
ARITA ZENJIROU
分类号
B21D39/03;B21K25/00
主分类号
B21D39/03
代理机构
代理人
主权项
地址
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