TY  - GEN
T1  - Absoluter Stoffschutz /
AU  - Zumstein, Fritz,
VL  - 1972 Vol 63 No 8-9 pages 160-162
ID  - 319
KW  - Patents.
KW  - PATENTS : PATENTABILITY : CHEMICAL AND OTHER PRODUCTS, PROTECTION OF CHEMICAL SUBSTANCES AND PROCESSES
TI  - Absoluter Stoffschutz /
ER  -