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发明名称
METHOD AND DEVICE FOR REPLACING INERT GAS IN SILO
摘要
申请公布号
JPS6429503(A)
申请公布日期
1989.01.31
申请号
JP19870184243
申请日期
1987.07.23
申请人
NIIGATA ENG CO LTD
发明人
MACHIDA KENJI;FUKUOKA KATSUMI
分类号
E01C19/02
主分类号
E01C19/02
代理机构
代理人
主权项
地址
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