A built-in ventilator for windows or the like

IL34887A0Inactive Publication Date: 1970-09-17SCHERING AG
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Patent Information

Application Number
IL348
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1969-07-10
Filing Date
1970-07-09
Publication Date
1970-09-17
Estimated Expiration
Not applicable · inactive patent
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