DD68143A - - Google Patents
Info
- Publication number
- DD68143A DD68143A DD68143DA DD68143A DD 68143 A DD68143 A DD 68143A DD 68143D A DD68143D A DD 68143DA DD 68143 A DD68143 A DD 68143A
- Authority
- DD
- German Democratic Republic
Links
Publications (1)
Publication Number | Publication Date |
---|---|
DD68143A true DD68143A (en) |
Family
ID=259365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD68143D DD68143A (en) |
Country Status (1)
Country | Link |
---|---|
DD (1) | DD68143A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3027206A1 (en) * | 1980-07-18 | 1982-02-11 | Drägerwerk AG, 2400 Lübeck | Isolating respirator with humidity exchanger - has operation activated by manually started timer actuating two-position flap |
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0
- DD DD68143D patent/DD68143A/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3027206A1 (en) * | 1980-07-18 | 1982-02-11 | Drägerwerk AG, 2400 Lübeck | Isolating respirator with humidity exchanger - has operation activated by manually started timer actuating two-position flap |
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DD68143A (en) |