ES217647A1 - Procedure to increase the resistance to the humidity of the friction surfaces for security phosphories (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure to increase the resistance to the humidity of the friction surfaces for security phosphories (Machine-translation by Google Translate, not legally binding)
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Treatment And Processing Of Natural Fur Or Leather
(AREA)
Abstract
Procedure to increase the resistance to moisture of the friction surfaces for security matches which is characterized by pre-tanning the gums or tails that are part of the friction mass by incorporating as a tanning material of chestnut extract in the proportion of 25% (Machine-translation by Google Translate, not legally binding)
ES217647A1954-09-301954-09-30Procedure to increase the resistance to the humidity of the friction surfaces for security phosphories (Machine-translation by Google Translate, not legally binding)
ExpiredES217647A1
(en)
Procedure to increase the resistance to the humidity of the friction surfaces for security phosphories (Machine-translation by Google Translate, not legally binding)
Procedure to increase the resistance to the humidity of the friction surfaces for security phosphories (Machine-translation by Google Translate, not legally binding)
Procedure to increase the resistance to the humidity of the friction surfaces for security phosphories (Machine-translation by Google Translate, not legally binding)