CH473896A
(de )
1969-06-15
Verfahren zum Gerben von Häuten und Ledern
FR2354382A1
(fr )
1978-01-06
Procede pour tanner des peaux avec des esters partiels d'acides polycarboxyliques
GB1343918A
(en )
1974-01-16
Process for retanning and fat liquoring leather
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DE95079C
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DE261643C
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US1248711A
(en )
1917-12-04
Process for rendering lumber resistant to sap-stain.
BR9300294A
(pt )
1993-08-03
Processo para piquelar e pre-curtir peles depiladas e pele depilada
DE264389C
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DE177768C
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DE281547C
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DE247647C
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SU139333A1
(ru )
1960-11-30
Способ поверхностной закалки бичей токами высокой частоты
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