000
00291nam a2200109Ia 4500
008
160710s1959 xx 000 0 und d
100
_a
DEPTT.SCIENTIFIC & IND. RESEARCH
245
_a
FLAME RETARDANT BUILDING MATERIAL
260
_a
LONDON
_b
HERMAJESTY'S
_c
1959
300
_a
7
942
_2
ddc
_c
B
999
_c
23947
_d
23947