发明名称 Hand tool
摘要 A compound hand tool used in holding a thermostatic expansion valve in a refrigeration unit. The tool comprising an enlarged circular end with an opening extending there through and a finger-like second end opposite the first end. The tool is used to hold the valve in place while an operation is performed upon it.
申请公布号 US4894879(A) 申请公布日期 1990.01.23
申请号 US19860848797 申请日期 1986.04.07
申请人 THERKILDSEN, ALBERT J.;KVINGE, RONALD A. 发明人 THERKILDSEN, ALBERT J.;KVINGE, RONALD A.
分类号 B25B9/00;B25B13/48;B25B27/24;B25B33/00;B25F1/00 主分类号 B25B9/00
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