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发明名称
PRODUCTION OF PISTON FOR PRESSURE INCREASE
摘要
申请公布号
JPS54107871(A)
申请公布日期
1979.08.24
申请号
JP19780015268
申请日期
1978.02.13
申请人
HIRATA PRESS KOGYO
发明人
MIYAMOTO SHIGERU;KIMURA MITSUGI
分类号
B21D22/30;B21J5/02;B21K1/18
主分类号
B21D22/30
代理机构
代理人
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