"high-strength brass"@en-us . "114097481"@en-us . . "0"^^ . "manganese bronze"@en-us . . . . "0"^^ . "110724963"@en-us . . "a brass with from 1-4% manganese to harden it"@en-us . "114947125"^^ . "14947125-n"^^ . . . . "manganese bronze"^^ . . .