规格：Includes One 3 in. x 5 in. cat # 603, one 4 in. x 6 in. cat# 606, one 6 in. x 6 in. cat # 609 presensitized single sided PCB, one 475 ml bottle cat # 418 developer, one 475 ml bottle cat # 415 ferric chloride, two cat 416-S foam brushes, plastic development tra,
