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发明名称
Safety cutter blade for rotary type lawn mowers
摘要
申请公布号
US2722797(A)
申请公布日期
1955.11.08
申请号
US19530390639
申请日期
1953.11.06
申请人
AUGUST STRATTMAN EDWIN
发明人
STRATTMAN EDWIN AUGUST
分类号
A01D34/63
主分类号
A01D34/63
代理机构
代理人
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地址
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