P 983 90 2 P 3626cpr9807 90 1 P 970c05pat12pr0001 63 1 P 973c26h02pr9656 2 1 P 981 2 1 P 982 2 1 P 68495pb01 12 1 P 23187 88 1 P 36752a 69 1 P 88646 11 1