A method for making curved sheet elements,particularly screw conveyor blades,and the articles so produced

IL32541A0Inactive Publication Date: 1969-09-25דניאל בן-נתן
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Patent Information

Application Number
IL32541
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Filing Date
1969-07-03
Publication Date
1969-09-25
Estimated Expiration
Not applicable · inactive patent
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