Non-heat-sealing tea filter paper with double-layer structure, production method of non-heat-sealing tea filter paper and tea bag

The invention belongs to the technical field of new special paper materials, and particularly relates to non-heat-sealing tea filter paper of a double-layer structure, a production method of the non-heat-sealing tea filter paper and a tea bag. Non-heat-sealing tea leaf filter paper of a double-layer...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG BIQIANG, LIU CHENGYUE, ZHAN HAO, YAN LUMING, ZHOU ZHENYU, ZHENG RONG, ZUO LEIGANG, GUO WAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METHODS OF PRODUCING PAPER THEREON PACKAGES PACKAGING ELEMENTS PACKING PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PAPER-MAKING MACHINES PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS STORING TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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