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发明名称
MANUFACTURE OF DRIVING SHAFT MADE OF STEEL PIPE
摘要
申请公布号
JPH0270341(A)
申请公布日期
1990.03.09
申请号
JP19880219230
申请日期
1988.08.31
申请人
SUMITOMO METAL IND LTD
发明人
YAMAMOTO MITSUSACHI;TOYAMA KAZUO
分类号
B21D53/86;B21K1/06
主分类号
B21D53/86
代理机构
代理人
主权项
地址
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