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发明名称
OIL RECOVERY MEANS
摘要
申请公布号
JPS53129376(A)
申请公布日期
1978.11.11
申请号
JP19770044801
申请日期
1977.04.18
申请人
WASHIDA AKIRA
发明人
WASHIDA AKIRA
分类号
E02B15/10;E02B15/04
主分类号
E02B15/10
代理机构
代理人
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地址
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