None of the provisions of §§ 4, 5, 6, 6a, 6b, or 16 of chapter 165 of the Public Acts of 1937, nor of the second paragraph of § 15 of that chapter, nor of chapter 11 of the Public Acts of the Second Extraordinary Session of 1931, nor of chapter 103 of the Public Acts of 1933, nor of §§ 1 to 18, inclusive, 20 to 33, inclusive, 35, or 37 to 41, inclusive, of chapter 70 of the Public Acts of 1953, nor of the first sentence of § 19 of that chapter, shall be deemed repealed by the enactment of this code, or the incorporation of or failure to incorporate these chapters or sections or any part thereof in this code, unless repealed by necessary implication.