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发明名称
SONIC METHOD AND APPARATUS FOR BREAKING CRUSTS ON AGRICULTURAL SOIL
摘要
申请公布号
US3461970(A)
申请公布日期
1969.08.19
申请号
USD3461970
申请日期
1966.09.13
申请人
ALBERT G. BODINE
发明人
ALBERT G. BODINE
分类号
A01B11/00;(IPC1-7):A01B79/00;A01B35/32
主分类号
A01B11/00
代理机构
代理人
主权项
地址
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