230000001681 protective Effects 0.000 claims description 5.230000000241 respiratory Effects 0.000 title claims description 4.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA Priority to DE1935D0070680 priority Critical patent/DE694649C/en Application granted granted Critical Publication of DE694649C publication Critical patent/DE694649C/en Status Expired legal-status Critical Current Links Original Assignee Draegerwerk AG and Co KGaA Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired Application number DE1935D0070680 Other languages German ( de)Ĭurrent Assignee (The listed assignees may be inaccurate. Horse gas protection mask with replaceable respiratory protection filters
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