Specification for zinc naphthenate and zinc naphthenate concentrates
Document status: Active
Starters for use with fluorescent lamps operating on A.C.50c/s supplies
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Specification for counting trays (planchets) for radioactive assay
Document status: Active
Brass tubes and screwed glands for condensers for land purposes
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Brass tubes, tubes for screwed glands and screwed glands for condensers
Document status: Active
Specification for X-ray lead-rubber protective aprons for personal use
Document status: Active
