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发明名称
Jar
摘要
申请公布号
US2591130(A)
申请公布日期
1952.04.01
申请号
US19470736764
申请日期
1947.03.24
申请人
BROWN CICCRO C;SCOTT JR FLOYD L
发明人
BROWN CICCRO C.;JR. FLOYD L. SCOTT,
分类号
E21B31/107
主分类号
E21B31/107
代理机构
代理人
主权项
地址
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