Method for preventing seeing mah-jong pieces through

The invention provides a method for preventing seeing mah-jong pieces through, and provides entertainment mah-jongs in the field of entertainment. According to the invention, raw materials for preparing mah-jong pieces contain substances which can block infrared ray, ultraviolet ray and X-ray, such...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	CHEN JIAKUI
Format:	Patent
Sprache:	eng
Schlagworte:	AMUSEMENTS CARD, BOARD, OR ROULETTE GAMES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GAMES GAMES NOT OTHERWISE PROVIDED FOR HUMAN NECESSITIES INDOOR GAMES USING SMALL MOVING PLAYING BODIES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS SPORTS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VIDEO GAMES
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