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发明名称
PERFORATING METHOD AND DEVICE FOR CORRUGATED PIPE
摘要
申请公布号
JPS5669012(A)
申请公布日期
1981.06.10
申请号
JP19790122105
申请日期
1979.09.25
申请人
MITSUI PETROCHEMICAL IND
发明人
SHIBATA KATSUHIKO;ISHII NORIO
分类号
B23B41/00
主分类号
B23B41/00
代理机构
代理人
主权项
地址
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