7ee4d520b48b6cf136e983ed418171659e109975a0a31ce1a9110dcf3ae0ef9083cf0e7026d582451ecab24378c53dde

3bbcc22fe4c631a960f2dba005d4692da9eafec44fc81a84f11b2f669c7b03efe856fd8bcebc40b35c6e16f9fea901f705c11b69edeac9c8cf0533453c7b4e9d72c2f595025c03f0bbcf67c23e0052e612e5251156b41c2bf48edeb5bba0d4d8ec0e41cd93cf802822790c4d94bfca2840e6

1db2c232e4f037a97ab7e6a7199c750273cfe129f698e47d579268ec01983992ace8a97f2f

이건 스파이들도 바라는 기술이라서 특허도 오래 전에 만료됐을겁니다.