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发明名称
PIPING PROTECTIVE DEVICE
摘要
申请公布号
JPS538444(A)
申请公布日期
1978.01.25
申请号
JP19760081912
申请日期
1976.07.12
申请人
HITACHI LTD
发明人
TOMINAGA KINZOU
分类号
F03B3/18;F03B11/00
主分类号
F03B3/18
代理机构
代理人
主权项
地址
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