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1969-06-03
Anchor clip
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1961-11-21
Stud and dished plastic fastening element
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1963-05-21
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1975-11-25
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1973-07-17
Structural assembly and deformable clip
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1974-04-02
Metal penetrating staple
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1963-10-22
Unit filter assembly
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1951-04-24
Self-locking drive fastening device
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1956-11-13
Press fastener
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1900-01-01
Verfahren zum Zusammenheften von Pappkastenecken
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2017-11-03
有孔纸质印刷品装订装置
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1994-09-22
Nagel mit Klebebelag
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1987-07-16
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