METHOD FOR MANUFACTURE OF DECORATIVE PRODUCTS OF NATURAL AMBER Russian patent published in 2004 - IPC

Abstract RU 2240925 C1

FIELD: manufacture of decorative products.

SUBSTANCE: molding of heated starting raw material in a vacuum-treated mould is accomplished with a simultaneous pressure release and stopping of vacuum treatment.

EFFECT: enhanced quality of products.

9 cl, 2 dwg

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RU 2 240 925 C1

Authors

Kravtsov A.A.

Poljakov I.V.

Dates

2004-11-27—Published

2003-04-02—Filed