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发明名称
METHOD OF COMBINING HOLLOW MEMBERS
摘要
申请公布号
JPS5414081(A)
申请公布日期
1979.02.01
申请号
JP19770079322
申请日期
1977.07.02
申请人
YAGI AKITOSHI
发明人
YAGI AKITOSHI
分类号
B23P19/04;B21D39/04;B21D39/06;B23P19/02
主分类号
B23P19/04
代理机构
代理人
主权项
地址
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