TY  - RPRT
TI  - Circular of the Bureau of Standards no. 234: United States government master specification for wire insertion rubber packing
PY  - 1925
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 234
DO  - 10.6028/NBS.CIRC.234
ER  -